package 行为型模式.责任链模式;
//抽象处理者类
public abstract class Handler {
    protected final static int NUM_ONE=1;
    protected final static int NUM_THREE=3;
    protected final static int NUM_SEVEN=7;

    //该领导处理请假天数的区间
    private int numStart;
    private int numEnd;

    //声明后续者（声明上级领导）
    private Handler nextHandler;

    public Handler(int numStart) {
        this.numStart = numStart;
    }

    public Handler(int numStart, int numEnd) {
        this.numStart = numStart;
        this.numEnd = numEnd;
    }

    //设置上级领导对象
    public void setHandler(Handler nextHandler) {
        this.nextHandler = nextHandler;
    }

    //各级领导处理请假条的方式
    protected abstract void handlerLeave(LeaveRequest leave);

    //提交请假条
    public final void submit(LeaveRequest leave){
        //该领导进行审批
        this.handlerLeave(leave);
        if (this.nextHandler!=null && leave.getNum()>this.numEnd){
            //提交给上级领导进行审批
            this.nextHandler.submit(leave);
        }else {
            System.out.println("流程结束");
        }
    }
}
